# Dockerfile for the Mastra + Next.js monolith. # Mastra runs in-process with Next.js — no separate agent service needed. FROM node:20-slim AS builder WORKDIR /app # Install dependencies (no lockfile in this starter) COPY package.json ./ RUN npm install # Copy source code COPY . . # Build the Next.js application (standalone output) RUN npm run build # Production stage FROM node:20-slim AS runner WORKDIR /app ENV NODE_ENV=production ENV PORT=3000 ENV HOSTNAME=0.0.0.0 # Copy the standalone build output COPY --from=builder /app/.next/standalone ./ COPY --from=builder /app/.next/static ./.next/static COPY --from=builder /app/public ./public EXPOSE 3000 CMD ["node", "server.js"]